| Mariehamn to Cesa | 1,344.28 mi (2,163.41 km) |
| Mariehamn to Cesano Maderno | 1,093.08 mi (1,759.14 km) |
| Mariehamn to Cesena | 1,148.20 mi (1,847.85 km) |
| Mariehamn to Cesenatico | 1,142.37 mi (1,838.47 km) |
| Mariehamn to Cetraro | 1,433.74 mi (2,307.38 km) |
| Mariehamn to Cherasco | 1,178.33 mi (1,896.34 km) |
| Mariehamn to Chiampo | 1,066.08 mi (1,715.69 km) |
| Mariehamn to Chiaravalle | 1,172.92 mi (1,887.64 km) |
| Mariehamn to Chiari | 1,088.49 mi (1,751.76 km) |
| Mariehamn to Chiavari | 1,175.86 mi (1,892.36 km) |
| Mariehamn to Chieri | 1,155.65 mi (1,859.83 km) |
| Mariehamn to Chieti | 1,250.39 mi (2,012.31 km) |
| Mariehamn to Chioggia | 1,075.31 mi (1,730.55 km) |
| Mariehamn to Chiusi | 1,227.05 mi (1,974.74 km) |
| Mariehamn to Chivasso | 1,143.10 mi (1,839.64 km) |
